private void ShowAnSangList()
{
QuanAnEntities db = new QuanAnEntities();
var list = db.AnSangs.ToArray();
this.grdAnSang.DataSource = list;
}
void btnLuu_Click(object sender, EventArgs e)
{
var tenMon = this.txtTenmon.Text;
var giaTien = int.Parse(this.txtGiatien.Text);
var anSang = new AnSang();
anSang.TenMon = tenMon;
anSang.GiaTien = giaTien;
var db = new QuanAnEntities();
db.AnSangs.Add(anSang);
db.SaveChanges();
MessageBox.Show("Them mon an moi thanh cong!!!");
this.Close();
}
